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Articles by A. Khalil
Selective fetal growth restriction in twin pregnancies: appraisal of clinical practice guidelines
DATA AVAILABILITY STATEMENT The data that support the findings of this study are available from the corresponding author upon reasonable request. Supporting Information Filename Description uog70295-sup-0001-Tables.docxWord 2007 document , 51 KB Table S1 Characteristics of the included clinical practice guidelines for diagnosis and management of selective fetal growth restriction in monochorionic (MC) and dichorionic (DC) twin pregnancies.
Perinatal outcomes of twin pregnancies complicated by early twin-to-twin transfusion syndrome treated with fetoscopic laser surgery
INTRODUCTION Twin-to-twin transfusion syndrome (TTTS) is one of the most severe complications of monochorionic diamniotic (MCDA) twin pregnancies, with an estimated incidence of 10–15%1, 2. Timely diagnosis and treatment of TTTS are crucial for improving perinatal outcomes. Prenatal intervention options include fetoscopic laser surgery (FLS) of the placental anastomoses, which is more effective than serial amnioreduction before 26 weeks' gestation3.
How to get the most from axial views of the fetal brain: applying the principles of neurosonography to screening examination of the supratentorial central nervous system - Della Valle - Ultrasound in Obstetrics & Gynecology - Wiley Online Library
DATA AVAILABILITY STATEMENT Data sharing is not applicable to this article as no new data were created or analyzed in this study.
Perinatal and maternal outcomes of extremely early‐onset fetal growth restriction (≤ 26 weeks): systematic review and meta‐analysis
DATA AVAILABILITY STATEMENT The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions. Supporting Information Filename Description uog70124-sup-0006-TableS1.docxWord 2007 document , 28.7 KB Table S1 Search strategy. uog70124-sup-0007-TableS2.docxWord 2007 document , 25 KB Table S2 Full-text articles excluded and reason for exclusion.
Perinatal outcome after single intrauterine death in monochorionic twin pregnancy: systematic review and meta‐analysis
Supporting Information Filename Description uog70020-sup-0001-TableS1.docxWord 2007 document , 19.1 KB Table S1 Search strategy uog70020-sup-0002-TableS2.docxWord 2007 document , 18.8 KB Table S2 Excluded studies and reason for exclusion uog70020-sup-0003-TableS3.docxWord 2007 document , 17.1 KB Table S3 Methodological assessment of included studies based on Newcastle–Ottawa scale uog70020-sup-0004-TableS4.docxWord 2007 document , 45.1 KB Table S4 Results of publication bias assessment for...
These Kids in Gaza Are Starving. So Are Their Mothers.
World / July 28, 2025 These Kids in Gaza Are Starving. So Are Their Mothers. “There’s not enough food for me, so how can I have enough milk for her?” one woman says. Ad Policy 2-year-old Palestinian Yezen Abu Ful, whose health has deteriorated due to lack of access to food and nutritional supplements, is seen with his mother in the Al-Shati Refugee Camp in the Gaza Strip on July 24, 2025.
Adverse neonatal outcomes in small‐for‐gestational age twins identified using twin vs singleton growth charts: systematic review and meta‐analysis
INTRODUCTION Twin pregnancies are at higher risk of complications compared with singleton pregnancies, with growth disorders representing one of the most common causes of perinatal morbidity1-3. The International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) defines selective fetal growth restriction as a condition in which one fetus has an estimated fetal weight (EFW) below the 10th percentile, with an intertwin weight discordance of 25% or more4.
Feasibility and acceptability of randomized controlled trial of intervention
Selective fetal growth restriction (sFGR) affects 10–15% of monochorionic twin pregnancies, leading to adverse perinatal outcomes such as stillbirth and cerebral palsy, with early-onset cases posing significant management challenges1, 2. Should the smaller twin not survive, the cotwin faces an approximately 15% risk of death and a 26% risk of neurological disability1.
ISUOG Practice Guidelines (updated): role of ultrasound in twin pregnancy
The International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) is a scientific organization that encourages sound clinical practice, and high-quality teaching and research, related to diagnostic imaging in women's healthcare. The ISUOG Clinical Standards Committee (CSC) has the remit to develop Practice Guidelines and Consensus Statements as educational recommendations that provide healthcare practitioners with a consensus-based approach, from experts, for diagnostic imaging.
Accuracy of cell‐free fetal DNA in detecting chromosomal anomalies in women experiencing miscarriage: systematic review and meta‐analysis
DATA AVAILABILITY STATEMENT The data that support the findings of this study are available from the corresponding author upon reasonable request.
Congenital heart defects during COVID‐19 pandemic
DATA AVAILABILITY STATEMENT The data that support the findings of this study are available from the corresponding author upon reasonable request.
Congenital Cytomegalovirus Infection: Update on Screening, Diagnosis and Treatment
Conflicts of Interest Full disclosure of interests are available on request. References 1, , , et al., “Congenital cytomegalovirus infection burden and epidemiologic risk factors in countries with universal screening: A systematic review and meta-analysis,” JAMA Netw Open. 4 (2021): e2120736. 2 and , “Review and meta-analysis of the epidemiology of congenital cytomegalovirus (CMV) infection,” Rev Med Virol. 17 (2007): 253–276.
OC20.01: Twin versus singleton growth charts in the diagnosis of small for gestational age in twin pregnancy: systematic review and meta‐analysis
Objectives When singleton charts are used to assess fetal growth in twins, a high proportion of fetuses are diagnosed as SGA, but whether this approach is a good predictor of adverse outcomes is controversial. This meta-analysis aims to evaluate the perinatal outcomes of SGA twins diagnosed with singleton or twin charts. Methods MEDLINE, EMBASE, Scopus and the Web of Science were searched up to October 2023.
Diagnostic accuracy of cell‐free DNA in maternal blood in detecting chromosomal anomalies in twin pregnancies: systematic review and meta‐analysis
Supporting Information Filename Description uog27698-sup-0001-TableS1.docxWord 2007 document , 19.6 KB Table S1. Search strategy. uog27698-sup-0002-TableS2.docxWord 2007 document , 16.5 KB Table S2. Excluded studies and reason for the exclusion. uog27698-sup-0003-FigureS1.pptxPowerPoint 2007 presentation , 427.5 KB Figure S1. Pooled estimates of sensitivity and specificity of cfDNA in detecting Trisomy 21,18, 13 and/or SCA in twin pregnancies.
Is parvovirus B19 infection upsurge in 2023-2024 associated with adverse pregnancy outcome?
INTRODUCTION Parvovirus B19 is a small, single-stranded DNA virus that primarily affects humans. It is best known as the cause of erythema infectiosum, commonly referred to as ‘fifth disease’ or ‘slapped-cheek syndrome’, which is a mild illness predominantly affecting children. The virus is transmitted via respiratory droplets and is highly contagious. Parvovirus B19 infection is seasonal, with peak activity usually seen in spring and early summer, and cyclical peaks occurring every 3 to 4 years1.
Fetal lower urinary tract obstruction: international Delphi consensus on management and core outcomes set
Supporting Information Filename Description uog27684-sup-0001-FigureS1.jpegJPEG image, 128.8 KB Figure S1: PRISMA flow chart for search and selection process uog27684-sup-0002-TableS1.docxWord 2007 document , 24.9 KB Table S1. Systematic review search strategy uog27684-sup-0003-TableS2.docxWord 2007 document , 17.7 KB Table S2.
Global efforts needed to address burden of preventable stillbirth
Corresponding Author A. Khalil Fetal Medicine Unit, St George's Hospital, St George's University of London, London, UK Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, UK The Royal College of Obstetricians and Gynaecologists, London, UK Correspondence to: Prof. A.
Angiogenic markers and maternal echocardiographic indices in women with hypertensive disorders of pregnancy
Supporting Information Filename Description uog27474-sup-0001-Tables.docxWord 2007 document , 16.8 KB Table S1 Serum angiogenic biomarker levels and echo indices in women with hypertensive disorders of pregnancy (HDP) who had cardiovascular assessment before or after delivery (peripartum period). Data are shown as median (interquartile range). Table S2 Maternal serum biomarkers in normal left ventricular (LV) morphology, LV remodelling and LV hypertrophy in the entire cohort.
Propensity score analysis of low‐dose aspirin and bleeding complications in pregnancy
What are the novel findings of this work? This propensity score analysis found that a documented clinician recommendation for low-dose aspirin (LDA) in pregnancy was associated with an increased risk for postpartum hemorrhage and placental abruption in a large, contemporary birth population. The number needed to harm with LDA was 1 in 79 for postpartum hemorrhage and 1 in 287 for placental abruption. What are the clinical implications of this work?
Routine first‐trimester pre‐eclampsia screening and maternal left ventricular geometry
Original Paper This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/uog.26306. ABSTRACT Objective Preeclampsia (PE) is a pregnancy complication associated with premature cardiovascular disease morbidity and mortality.
Comparison of International Guidelines on the Management of Twin Pregnancy
Summary of Key Findings The purpose of this study was to identify and review national and international clinical guidelines on the management of twin pregnancies, aiming to highlight areas of consensus and conflict. From the guidelines we identified, advice on managing MC twins was generally detailed and comprehensive, due to the risks involved in such pregnancies. However, indication and rationale for assessing UAPI and MCA-PSV was conflicting.
Abstract No. 41 Bariatric Arterial Embolization Using Novel Tightly Calibrated 100-200μm Radiopaque Microspheres
Abstract No. 40 Embolization of the Superior and Middle Rectal Arteries for the Treatment of Symptomatic Hemorrhoidal Disease using the Combination of Metallic Coils and Microspheres
Abstract No. 166 ▪ FEATURED ABSTRACT Bariatric Arterial Embolization is Associated with Significant Muscle-Sparing Weight Loss Detected by Whole-Body Magnetic Resonance Imaging Anthropometry
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Abstract No. 270 Quantitative MRI-based Radiomic Analysis of Percutaneous Sclerotherapy Outcomes in Peripheral Extremity Venous Malformations
Abstract No. 269 Yttrium-90 Radioembolization as a Possible New Treatment for Astrocytic Glioma: Histopathology and Comparison of PET/CT and MicroCT Dosimetry in Canine Models
Abstract No. 39 Assessing safety and clinical outcomes of patients receiving serial doxycycline exchange sclerotherapy for lymphatic malformations
Abstract No. 38 Intracardiac shunts among patients undergoing oil-based contrast lymphangiography: prevalence by echocardiography and rate of systemic arterial embolic complications
Abstract No. 360 Bariatric arterial embolization using drug-eluting radiopaque microspheres in a swine model
Abstract No. 359 Embolization induced tumor-associated macrophage polarization in tumor immune microenvironment can be reprogrammed by lenvatinib in a rat hepatoma model
Abstract No. 387 Sclerotherapy improves clinical symptoms and reduces malformation size in patients with venous malformations of the foot and ankle
Abstract No. 388 Percutaneous sclerotherapy of venous malformations involving the tongue: assessing clinical and imaging outcomes
Abstract No. 292 Balloon embolization devices deliver more rapid, complete, and lasting artery occlusion
This study evaluates the efficacy of intraoperative neuromonitoring (IONM) with a pre-embolization lidocaine injection challenge (“provocative testing”) to minimize iatrogenic, irreversible nerve injury during embolization of peripheral AVMs.
Abstract No. 593 How is quality-of-life captured in the hereditary hemorrhagic telangiectasia population? A scoping review of quality-of-life instruments
Hereditary hemorrhagic telangiectasia (HHT) is a hereditary disease characterized by arteriovenous malformations found throughout the body’s mucosal membranes, skin, and visceral organs. Interventional radiology is intimately involved in HHT patient care and treatment, especially for embolization of patients’ pulmonary arteriovenous malformations (PAVMs).
Abstract No. 612 Evaluation of clinical outcomes of percutaneous sclerotherapy for the treatment of hand and wrist venous malformations
Abstract No. 611 The impact of sclerotherapy of venous malformations of the eye and orbit on clinical and imaging outcomes
At D.C. march, families decry 'two systems of justice'
WASHINGTON — Standing on the steps of the Lincoln Memorial, where the Rev. Martin Luther King Jr. famously laid out a vision for harmony between white and Black people 57 years ago, his son issued a sobering reminder about the persistence of police brutality and racist violence targeting Black Americans.
Gleaned snapshots on the road to coordination polymers: heterometallic architectures based on Cu(I) metallaclips and 2,2′-bis-dipyrrin metalloligands
Gleaned snapshots on the road to coordination polymers: heterometallic architectures based on Cu(i) metallaclips and 2,2′-bis-dipyrrin metalloligands† You have access to this article Please wait while we load your content... Something went wrong. Try again?
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